BUSINESS SEGMENT INFORMATION (Geographic Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 4,258	$ 3,921	$ 3,889	$ 3,811	$ 4,441	$ 4,065	$ 4,048	$ 3,831	$ 15,879	$ 16,385	$ 17,621
Property, Plant and Equipment	4,417				4,579				4,417	4,579
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									7,716	8,318	10,384
Property, Plant and Equipment	3,686				3,708				3,686	3,708
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									3,592	3,930	3,706
Property, Plant and Equipment	597				729				597	729
Rest Of World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									3,459	3,295	3,204
Property, Plant and Equipment	134				142				134	142
Other Region [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									$ 1,112	$ 842	$ 327